Alfa Aesar

Reagents, M, Alfa Aesar

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  • Methylcobalamin hydrate, 99%

    Alfa Aesar

    Synonym(s): Cobinamide, Mecobalamin Formula: C63H91N13O14P xH2O Formula weight: 1344.41(anhy) Purity: 99% CAS Number: 13422-55-4 Harmonized Tariff Code:  2936.26

  • Magnesium oxide, 96%, light

    Alfa Aesar

    Formula: MgO Formula weight: 40.30 Purity: 96%, light CAS Number: 1309-48-4 Harmonized Tariff Code:  2519.90

  • Methyl benzoate, 99%

    Alfa Aesar

    Synonym(s): Benzoic acid methyl ester Formula: C8H8O2 Formula weight: 136.15 Purity: 99% CAS Number: 93-58-3 Harmonized Tariff Code:  2916.31 Hazard Statements: H302-H227 Harmful if swallowed. Combustible liquid. Precautionary Statements: …

  • Magnesium citrate, dibasic hydrate

    Alfa Aesar

    Formula: C6H6MgO7 xH2O Formula weight: 214.14(anhy) CAS Number: 119851-23-9 Harmonized Tariff Code:  2918.15

  • Magnesium chloride, anhydrous, 99%

    Alfa Aesar

    Formula: MgCl2 Formula weight: 95.22 Purity: 99% CAS Number: 7786-30-3 Harmonized Tariff Code:  2827.31

  • Methacrylic anhydride, 94%, stab. with ca 0.2% 2,4-dimethyl-6-tert-butylphenol

    Alfa Aesar

    Synonym(s): 2-Methylacrylic acid anhydride Formula: C8H10O3 Formula weight: 154.17 Purity: 94%, stab. with ca 0.2% 2,4-dimethyl-6-tert-butylphenol CAS Number: 760-93-0 UN Number: UN3265 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2916.19 Hazard Statements: …

  • m-Toluidine, 99%

    Alfa Aesar

    Synonym(s): 3-Methylaniline Formula: C7H9N Formula weight: 107.16 Purity: 99% CAS Number: 108-44-1 UN Number: UN1708 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2921.43 Hazard Statements: H301-H311-H331-H373-H227 Toxic if swallowed. Toxic in contact…

  • Maleic anhydride, 98+%

    Alfa Aesar

    Synonym(s): cis-Butenedioic anhydride, 2,5-Furandione Formula: C4H2O3 Formula weight: 98.06 Purity: 98+% CAS Number: 108-31-6 UN Number: UN2215 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2917.14 Hazard Statements: H334-H314-H302-H317 May cause allergy…

  • Mercaptoacetic acid sodium salt, 98%

    Alfa Aesar

    Synonym(s): Sodium mercaptoacetate, Sodium thioglycolate Formula: C2H3NaO2S Formula weight: 114.10 Purity: 98% CAS Number: 367-51-1 UN Number: UN3335 Hazard Class: 9 Harmonized Tariff Code:  2930.90 Hazard Statements: H302-H317 Harmful if swallowed. May cause an allergic…

  • myo-Inositol, 98+%

    Alfa Aesar

    Synonym(s): Hexahydroxycyclohexane, Myoinositol Formula: C6H12O6 Formula weight: 180.16 Purity: 98+% CAS Number: 87-89-8 Harmonized Tariff Code:  2906.13

  • Methyl Red

    Alfa Aesar

    Synonym(s): C.I. 13020 Formula: C15H15N3O2 Formula weight: 269.30 CAS Number: 493-52-7 Harmonized Tariff Code:  2927.00

  • Methanol, Semiconductor Grade, 99.9% min

    Alfa Aesar

    Formula: CH3OH Formula weight: 32.04 Purity: 99.9% min CAS Number: 67-56-1 UN Number: UN1230 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2905.11 Hazard Statements: H225-H301-H311-H331-H370 Highly flammable liquid and vapour. Toxic if swallowed. Toxic in…

  • Methyl methacrylate, 99%, stab.

    Alfa Aesar

    Synonym(s): Methacrylic acid methyl ester, 2-Methylacrylic acid methyl ester Formula: C5H8O2 Formula weight: 100.12 Purity: 99%, stab. CAS Number: 80-62-6 UN Number: UN1247 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2916.14 Hazard Statements: …

  • Methanol-d{4}, 100%(Isotopic)

    Alfa Aesar

    Formula: CD3OD Formula weight: 36.07 CAS Number: 811-98-3 UN Number: UN1230 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2845.90 Hazard Statements: H225-H300-H310-H330-H370 Highly flammable liquid and vapour. Fatal if swallowed. Fatal in contact with skin. Fatal…

  • Manganese nanopowder, APS 30-50nm, 99.9% (metals basis)

    Alfa Aesar

    Formula: Mn(core)/Mn3O4(shell) Purity: 99.9% (metals basis) CAS Number: 7439-96-5 UN Number: UN3089 Hazard Class: 4.1 Packing Gro

  • Mercaptoacetic acid sodium salt, 97%

    Alfa Aesar

    Synonym(s): Sodium mercaptoacetate, Sodium thioglycolate Formula: HSCH2CO2Na Formula weight: 114.10 Purity: 97% CAS Number: 367-51-1 UN Number: UN3335 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2930.90 Hazard Statements: H302-H317 Harmful if swallowed.…

  • Mercury(I) nitrate dihydrate, 98%

    Alfa Aesar

    Synonym(s): Mercurous nitrate Formula: HgNO3 2H2O Formula weight: 561.22 (525.19anhy) Purity: 98% CAS Number: 14836-60-3 UN Number: UN1627 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2852.10 Hazard Statements: H300-H310-H330-H373 Fatal if swallowed.…

  • Methylmercury(II) chloride, standard solution in H{2}O, Methylmercury(II)…

    Alfa Aesar

    Synonym(s): Chloromethylmercury Formula: CH3HgCl Formula weight: 251.08 CAS Number: 115-09-3 UN Number: UN2024 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2852.10 Hazard Statements: H300-H310-H330-H373 Fatal if swallowed. Fatal in contact with skin. Fatal…

  • Magnesium oxide, 96% min

    Alfa Aesar

    Formula: MgO Formula weight: 40.30 Purity: 96% min CAS Number: 1309-48-4 Harmonized Tariff Code:  2519.90

  • Magnesium sulfate heptahydrate, 99+%

    Alfa Aesar

    Synonym(s): Epsom salt Formula: MgSO4 7H2O Formula weight: 246.48 (120.37anhy) Purity: 99+% CAS Number: 10034-99-8 Harmonized Tariff Code:  2833.21

  • Mercury, AAS standard solution, Specpure r, Hg 1000µg/ml

    Alfa Aesar

    Formula: Hg in 5 HNO3 UN Number: UN3264 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2852.10 Hazard Statements: H360-H314 May damage fertility or the unborn child. Causes severe skin burns and eye damage. Precautionary Statements: …

  • 3-Methylthiophene-2-methylamine, 98%

    Alfa Aesar

    Synonym(s): 2-Aminomethyl-3-methylthiophene Formula: C6H9NS Formula weight: 127.21 Purity: 98% CAS Number: 104163-35-1 UN Number: UN2735 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2934.99 Hazard Statements: H314-H318 Causes severe skin burns and eye…

  • Methyltriphenylphosphonium bromide, 98+%

    Alfa Aesar

    Formula: CH3P(C6H5)3Br Formula weight: 357.24 Purity: 98+% CAS Number: 1779-49-3 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2931.90 Hazard Statements: H302-H315-H319-H335 Harmful if swallowed. Causes skin irritation. Causes serious eye…

  • 4-Methyl-2-pentanone, 99%

    Alfa Aesar

    Synonym(s): Hexone, Isobutyl methyl ketone Formula: C6H12O Formula weight: 100.16 Purity: 99% CAS Number: 108-10-1 UN Number: UN1245 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2914.13 Hazard Statements: H225-H332-H319-H335 Highly flammable liquid and…

  • Magnesium citrate hydrate, Mg ca 16% (dry wt.)

    Alfa Aesar

    Formula: C12H10Mg3O14 xH2O Formula weight: 451.13(anhy) CAS Number: 120156-45-8 Harmonized Tariff Code:  2918.15

  • Manganese(II) sulfate monohydrate, 97%

    Alfa Aesar

    Formula: MnSO4 H2O Formula weight: 169.02 (151.00anhy) Purity: 97% CAS Number: 10034-96-5 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2833.29 Hazard Statements: H373 May cause damage to organs through prolonged or repeated exposure. …

  • Methyl phenyl sulfoxide, 98+%

    Alfa Aesar

    Formula: C7H8OS Formula weight: 140.20 Purity: 98+% CAS Number: 1193-82-4 Harmonized Tariff Code:  2930.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Magnesium Sulfate, Anhydrous, 99.5% min

    Alfa Aesar

    CAS Number: 7487-88-9 MDL: MFCD00011110 EINECS: 231-298-2 Formula: MgSO4 Formula Weight: 120.37 Form: powder Melting Point: 1124° dec. Density: 2.66 Sensitivity: Hygroscopic Applications Suitable for sensitive…

  • Manganese(II) carbonate, Mn 44% min

    Alfa Aesar

    Formula: CMnO3 Formula weight: 114.95 CAS Number: 598-62-9 Harmonized Tariff Code:  2836.99

  • 2-Methoxypropene, 95%, stab. with ca 0.5% potassium carbonate

    Alfa Aesar

    Synonym(s): Isopropenyl methyl ether Formula: C4H8O Formula weight: 72.11 Purity: 95%, stab. with ca 0.5% potassium carbonate CAS Number: 116-11-0 UN Number: UN1993 Hazard Class: 3 Packing Group: I Harmonized Tariff Code:  2909.19 Hazard Statements: H224-H301 Extremely…

  • Mullite

    Alfa Aesar

    Synonym(s): Aluminum oxide/silicon oxide Formula: 3Al2O3 2SiO2 (formula approx.) CAS Number: 1302-93-8 Harmonized Tariff Code:  2508.60

  • 1-Methylpyrrole-2-carboxaldehyde, 98%

    Alfa Aesar

    Formula: C6H7NO Formula weight: 109.13 Purity: 98% CAS Number: 1192-58-1 Harmonized Tariff Code:  2933.99 Hazard Statements: H315-H319-H335-H227 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Combustible liquid. Precautionary Statements: …

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